Scientists reveal how penicillin deals bacteria a devastating blow – work that may lead to new antibiotics
Friday, December 5, 2014 - 09:30
in Biology & Nature
Penicillin, the wonder drug discovered in 1928, works in ways that are still mysterious almost a century later. One of the oldest and most widely used antibiotics, it attacks enzymes that build the bacterial cell wall, a mesh that surrounds the bacterial membrane and gives the cells their integrity and shape. Once that wall is breached, bacteria die—allowing us to recover from infection.